国家/地区 中国（5）
IPC部 C（5）
IPC大类 C22（5）
IPC小类 C22C（5）
IPC C22C009/00（5）
发明人
公开年 2020（2） 2021（2）
申请年 2020（5）
专利权人

Method for preparing graphene-reinforced copper chromium electric contact material, involves cold pressing second mixed powder and sintered to obtain preform, and re-pressing and re-firing preform to obtain electrical contact material.

LV X, SHEN H, QIAN T, CAO H, MA Y

Preparation of graphene-copper composite material involves preparing copper-clad phase using e.g. graphene dispersion, hydrofluoric acid solution, sodium hydroxide and sodium citrate, mixing with copper powder, pressing, and sintering.

LI X, HUANG Z, HUANG S

Copper wire for wind power generation motor, comprises brass, red copper, industrial silver, graphene, aluminum, tungsten, nickel, iron, and nano graphite, where graphene and nano-graphite are in powder form and are crushed and sieved.

CHEN S

Preparing graphene/copper composite material comprises e.g. mixing graphene with polar solvent, mixing dispersed graphene with oxidizing agent, performing oxidation reaction and mixing oxidized graphene with sensitizing solution.

LIU Q, LU D, ZOU J, LUO F, WU D, ZENG Y

Preparing high-strength graphene/copper composite material involves preparing graphene oxide solution, sensitizing graphene oxide solution, performing activation treatment on graphene oxide solution and performing flake copper powder.

ZHANG K, LIU P